Laboratory Vacuum Pumps

Leybold Oil Vacuum Pump Model D16A 

Leybold D16A Specifications  

Thomas Oil-less Diaphragm Compressor / Vacuum Pump

Used Welch 1402 Laboratory Vacuum Pump

1402 Vacuum Pump Specifications 

Pfeiffer Vacuum Turbo Pump TMH-260

Pfeiffer Turbo Pump Controller TCP-120

Scroll Dry Vacuum Pump  nXDS10i Edwards

Vacuubrand  MZ-2C Diaphragm Vacuum Pump

Vacuubrand MZ2C Specifications

• Pumping speed   apx 36 liter/min or 1.3 cfm
  
• Ultimate Vacuum   9 mbar
• Utlimate Vacuum with gas ballast 15 mbar
• Volts 120
• Amps 3.8
• Inlet and outlet connections are NW 10

Edwards E2M18 Two Stage Vacuum Pump.  This pump is highly reliable and can be used for many applications.Pumping speed of 12.1 cubic feet per minute (CFM) and an ultimate pressure of 7.5 X 10 -4 Torr. Rebuilt.

Edwards E2M40 Vacuum Pump

KNF Flodos CH-6210 SurseeVacuum Pump. Pulls to 750 mbar. 115v, 60 Hz, 1.95 amps.

Welch 1402N Laboratory Vacuum Pump

Welch Chemstar Vacuum Pump Model 1402N is used for pumping corrosive gases. Dual Seal 160 Liters/Min., 5.6 Cubic feet per minute (CFM)., 1/2 hp., 115 volt, 60 hz. With Emerson motor C63CXGZP-4780, 1/2 hp, 1725 rpm.

Rebuilt Laboratory Vacuum Pumps

Rebuilt pumps have been solvent washed, sandblasted and retrofitted with the proper seals, gaskets and springs. Our unique video inspection process allows you to inspect the pump in action before we ship it.

We Enjoy Technical Questions

We have been helping customers like you decide between different products since 1982 so send us an inquiry or call us today.

Welch 1402N Pump Features:

• High Contamination Tolerance -Large Oil Capacity Dilutes Contaminants
• Reduced Frictional Wear -Low (580) RPM for low wear and cool operation
• Nitrogen Purge -degas and cool oil
• Accessories for Corrosion Protection
• Vital parts Corrosion Resistant
• PTFE coated oil case
• Fluoroelastomer gaskets and seals

Bayer Advia 1650/2400 Vacuum Pump Chemistry Systems Joel, Ltd.

CA-Diapump

Bayer’s ADVIA® 1650 and 2400 Chemistry Systems provide high speed, automation-compatible testing platforms with a comprehensive menu of 78 assays including general and special chemistry, specific protein, therapeutic drug monitoring, as well as drug of abuse methods and other applications.  With open channels for user-defined applications, ADVIA Chemistry Systems offer unparalleled, cost-effective workstation consolidation.

Has minimal requirements for sample volume (as low as 2L/test), reagent consumption (as low as 80L/test) and water consumption (25L/hour) - thus maximizing management efficiency.

KNF Neuberger UN73MVP Vacuum / Pressure

Diaphragm Pump, Teflon, Vacuum/Pressure  115v, 60 Hz, 1.1 amps

Manufactured by KnF Neuberger UN73MVP, Diaphram Pump, Teflon, Vacuum/Pressure.

Welch 8890A Oil Gem 1.0 Vacuum Pump 1.0 CFM

Welch Gem 1.0 Rotary Vane Vacuum Pump model 8890A. 1/4 hp, 115 / 230v, 60hz, 3450 rpm, 4.2/2.1 amps.

Cole Parmer Aspirator Pump Model 7049-05. 10 liter bath . 230 volts, 50 Hz,1.1 amps.

Leybold Trivac Model S25B Rotary Vane Dual Stage Mechanical Vacuum Pump. AEG motor Model AMEB 90SV4 H2. , 1 Hp, 50/60 Hz, 220v, 6.3/6.0 Amp, 1 phase, 1300/1600 rpm, Tested, pulls 75 mTorr. Sold as is.

Savant Instruments Vacuum Pump Model VP 100, 2 stage vacuum pump, Franklin electric motor: Model 1102180403, 1/2 hp, 1725/1425 rev per min, 115/208-230 V, 50/60 Hz, Single Phase Tmax ambient 40 C. Pumping speed 3.5 CFM Tested, pulling 30 mTorr.

Selling AS IS.

Kiko Ulvac G 100 D Vacuum Pump. With Fuji motor Model MLH6075Z. 3 phase, 400 watts, 50/60 Hz, 200/200-220 v, 2.3/2-2 amps, 1425/1710-1725 rpm. SOLD AS IS

Leybold D4B Rotary Vane Oil Vacuum Pump 3 CFM

Pfeiffer Balzers Dual Stage Rotary Vane Vacuum Pump Model UNO 016B  . 110v, 60 Hz, 7.0 amps, 0.55 watts, 9.5 CFM. Tested, pulls 30 mTorr. Sold as is.

Edwards Mechanical Vacuum Pump Model E2M-1. GE motor 5KC43HG2326EX. 50/60 Hz, 2.1 amps, 2700/3250 rpm, pumping speed 0.75 cubic feet per minute (CFM). Tested, pulls 35 mtorr.

Precision Scientific Dual Stage Vacuum Pump Model DD 50. GE motor 5KC43HG232GEX. 1/3 hp, 115/230v, 60 Hz, 1725 rpm. Tested, pulls 50 mtorr.

Sold As Is

Precision Scientific 10422 Dual Stage Vacuum Pump Model DD 20. Pumping Speed: 0.7 CFM, 50/60 Hz 115v, 713 watts, 2920/3500 rpm,1 phase, 3.0/2.1 amps, 1/8 hp. With Robbins Myers motor. Tested, Pulls 80 millitorr.

SOLD AS IS

Precision Scientific Dual Stage Vacuum Pump Model DD-90. 115v, 713 watts, 3.2 CFM,1 phase, 6.2 amps, 1/3 hp. With Franklin Electric motor 1111513421. Pulls 20 millitorr.

SOLD AS IS

Precision Scientific Dual Stage Vacuum Pump Model DD-90EP. 115v, 713 watts, 3.2 CFM,1 phase, 6.2 amps. With Franklin Electric motor 1111513421.

SOLD AS IS

Leybold Trivac Model S-8-B oil-sealed rotary vane Pump. AEG motor Model AMEB71FY4R3N1, 1 phase. Trivac-B pumps can pump gases and vapors and evacuate vessels or vacuum systems in the fine vacuum range.

This pump is not rebuilt but pulls down to 60 milli-Torr. Pumping speed of 4.7 cubic feet per minute (CFM). Motor specifications are as follows: 50Hz, 220V, 2.3A, 0-25KW. The flange size for this unit is NW16

SOLD AS IS

Refurbished Welch 1402 Laboratory Vacuum Pump

The Sargent Welch 1402 DuoSeal Belt Drive Rotary Vane is a durable vacuum pump with a superior vapor handling capability, offering an excellent ultimate pressure of 1x10-4 Torr. This pump is commonly used for vacuum furnace evacuation, backing turbomolecular pumps, backing diffusion pumps, rotary evaporation, refrigeration system evacuation, epoxy degassing, vacuum sterilization, backing mass spectrometers, freeze drying, vacuum centrifugal applications, vacuum distillation, space research and other vacuum processes.

Welch 1402 Pump Features --  Please ask for lead times - we strive keep 1 pump in stock at all times!

Dual Seal 160 Liters/Min., 5.8 Cu.Ft/Min., 1/2 hp., 120 volt. Ultimate pressure of 1x10-4 Torr

Rebuilt Laboratory Vacuum Pumps

Rebuilt pumps have been solvent washed, sandblasted and retrofitted with the proper seals, gaskets and springs. Our unique video inspection process allows you to inspect the pump in action before we ship it.

We Enjoy Technical Questions

We have been helping customers like you decide between different products since 1982 so send us an inquiry or call us today.

Sargent-Welch Scientific DirecTorr Dual Stage Rotary Vane Vacuum Pump Model 8814A, Part No. 1417A, Displacement Rate 5.0 cfm (141.6 l/min), with Franklin Electric Motor Model 1112575400, Speed 1725/1425 rpm, Power 1/2 HP, 115/208-230 V, 60/50 Hz, 6.8/3.4 A, 1 phase, Max Ambient Temp 40 C, with Filter Replacement Element Part No. 1417A. This pump has not be rebuilt put pulled down to 10 mTorr!

SOLD AS IS

Precision Scientific Single Stage Vacuum Pump Cat. No. 10432-14, Ser No. 14AU-1, Displacement Rate ~ 3 cfm (85 l/min), with General Electric AC Motor Model 5KC36lN83X, Power 1/3 HP, 115/230 V, 1725 rpm, 60 Hz, 1 phase, 6.6/3.3 A, Max Ambient Temp 40C.

SOLD AS IS

Stokes Deep Vacuum 7.4 cfm Oil pump

Stokes Windsor Series Rotary Vane Vacuum Pump Model 074, Displacement Rate 7.4 CFM (209.5 l/min), with Intake Filter, 6in Diameter Column, 5in Diameter Filter, with Franklin Electric Motor Model 1112575400, Speed 1725/1425 rpm, Power 1/2 HP, 115/208-230 V, 60/50 Hz, 6.8/3.4 A, Single phase, Max Ambient Temp 40 C. Pulled to 15 mTorr.

Thermo Fisher D2A Oil Vacuum Pump

Precision DD-100 Oil Rotary Vane Vacuum Pump

Scientific Vacuum Pump Model DD-100. Dual stage rotary vane mechanical vacuum pump. Franklin Electric motor 1101006419, 50/60 Hz, 1/2 hp, 115/230 v, 7.0/3.5 amps. Pumping speed 4 CFM. Tested: pulls to 15 mtorr at the time of video. 2612

KNF Neuberger Diaphragm Vacuum Pump, Model N035.1 ANP, 115 volts, 60 Hz pulls 200 m bar but has a broken flapper inside the head of the pump. For Parts

Cole Parmer Aspirator Pump Model 7049-00 with plastic base

M&O Perry Vacuum Pump Model LM-14, powder filler.

Air Pump, 1.1 CFM. 115 volts